this post was submitted on 14 Mar 2024
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Science Memes

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[–] guywithoutaname@lemm.ee 0 points 6 months ago (1 children)

Not true. If you define the circumference in terms of pi, you can define the circumference exactly.

[–] gmtom@lemmy.world 0 points 6 months ago (1 children)
[–] GnomeKat@lemmy.blahaj.zone 0 points 6 months ago (1 children)

Putting things in base 10 is also a definition. Digits aren't special.

[–] h3ndrik@feddit.de 0 points 6 months ago* (last edited 6 months ago) (1 children)

Was going to say the same. Also π isn't infinite. Far from it. it's not even bigger than 4. It's representation in the decimal system is just so that it can't be written there with a finite number of decimal places. But you could just write "π". It's short, concise and exact.

And by that definition 0.1 is also infinite... My computer can't write that with a finite amount of digits in base 2, which it uses internally.

So... I'm crying salty tears, too.

[Edit: And we don't even need transcendental numbers or other number systems. A third also doesn't have a representation. So again following the logic... you can divide a cake into 5 pieces, but never into 3?!]

[–] lolcatnip@reddthat.com 0 points 6 months ago* (last edited 6 months ago) (1 children)

Not sure where you're going with the decimal thing. Pi had infinite digits in any integer base because it's irrational.

[–] h3ndrik@feddit.de 0 points 6 months ago* (last edited 6 months ago)

I thought that was the joke in the comic? That we can't know numbers exactly that have an infinite decimal expansion. That'd be true for some rational numbers like a third, if you change the basis of the numeral system it'd be different numbers. And irrational numbers too if you have a integer base. But I'd argue how we write down a number isn't what determines exactness or 'infinity' by the words of the comic.

[–] LordOfLocksley@lemmy.world 0 points 6 months ago (1 children)

Not if your diameter is d/pi. Then your circumference is d, where d > 0.

Check mate atheists.

[–] groet@feddit.de 0 points 6 months ago (1 children)

Well now you can't find the radius

[–] LordOfLocksley@lemmy.world 0 points 6 months ago (1 children)
[–] groet@feddit.de 0 points 6 months ago

In the spirit of the meme this does not constitute "finding" the radius. There doesn't exist a radius for which both the radius and the circumference are rational numbers.

[–] idiomaddict@feddit.de 0 points 6 months ago

m e a s u r e

[–] Zerush@lemmy.ml 0 points 6 months ago (1 children)
[–] nachtigall@feddit.de 0 points 6 months ago

Omfg why can’t I figure out why this does not work. Help me pls